Title:
INORGANIC PARTICLES FOR FIBERS AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2020/218206
Kind Code:
A1
Abstract:
These inorganic particles for fibers according to a first embodiment include, in the amount of 1,500 particles ppm or less, coarse particles having a diameter of greater than 1.562 μm as measured by an electrical detection band method. These inorganic particles for fibers according to a second embodiment include, in the amount of less than 300 particles ppm, coarse particles having a diameter of greater than 1.562 μm as measured by a flow-type particle image analyzing method.
Inventors:
AOYAMA TAKETSUGU (JP)
ONO YASUHARU (JP)
ONO YASUHARU (JP)
Application Number:
PCT/JP2020/016918
Publication Date:
October 29, 2020
Filing Date:
April 17, 2020
Export Citation:
Assignee:
TOAGOSEI CO LTD (JP)
International Classes:
D01F1/10; A61L9/01; C01B25/37
Domestic Patent References:
| WO2011132301A1 | 2011-10-27 | |||
| WO2006109847A1 | 2006-10-19 |
Foreign References:
| JP3018388U | 1995-11-21 | |||
| KR20160064567A | 2016-06-08 | |||
| CN102644162A | 2012-08-22 | |||
| JP2018178313A | 2018-11-15 | |||
| JP2004067800A | 2004-03-04 | |||
| JPH0383906A | 1991-04-09 | |||
| JP2004059421A | 2004-02-26 | |||
| JP2005171199A | 2005-06-30 | |||
| JP2009007191A | 2009-01-15 | |||
| JP2003212546A | 2003-07-30 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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